Warrenville, IL Profile: Facts & Data


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Warrenville, Illinois - Basic Facts

The City of Warrenville had a population of 13,113 as of July 1, 2020. Warrenville ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Warrenville is located at latitude 41.8178 and longitude -88.1734 in DuPage County. The formal boundaries for the City of Warrenville encompass a land area of 5.42 sq. miles and a water area of 0.15 sq. miles. DuPage County is in the Central time zone (GMT -6). The elevation is 696 feet.

The City of Warrenville (GNIS ID: 2397197) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Warrenville is located within Township of Winfield, a minor civil division (MCD) of DuPage County.


Warrenville, IL Data & Demographics (As of July 1, 2020)


Total Population 13,113 (100%)
Population in Households 12,967 (98.9%)
Population in Families 10,746 (81.9%)
Population in Group Quarters1 146 ( 1.1%)
Population Density 2,408
Diversity Index2 60


Median Household Income $91,076
Average Household Income $113,381
% of Income for Mortgage4 10%
Per Capita Income $42,513
Wealth Index5 140


Total HU (Housing Units) 5,199 (100%)
Owner Occupied HU 3,816 (73.4%)
Renter Occupied HU 1,084 (20.9%)
Vacant Housing Units 299 ( 5.8%)
Median Home Value $224,759
Average Home Value $282,298
Housing Affordability Index3 202


Total Households 4,900
Average Household Size 2.65
Family Households 3,354
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population -0.02% 0.03%
Households 0.02% 0.03%
Families -0.19% -0.1%
Median Household Income   1.86%
Per Capita Income   1.89%
Owner Occupied HU   -0.03%


Warrenville, IL - Peer Comparisons by Rank and Percentile

The table below compares Warrenville to the other 1,369 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2020 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 185 87th
Population Density # 182 87th
Median Household Income # 136 90th
Housing Affordability Index # 475 35th
Per Capita Income # 154 89th
Diversity Index # 129 91st

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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